1. Eurocode No. 4:Common unified rules for composite steel and concrete structures CEC Report EUR 9886 EN 1985 https://op.europa.eu/s/oSuM
2. Directive 89/106/EEC Council Directive of 21 December 1988 on the approximation of laws regulations and administrative provisions of the Member States relating to construction products. European Community Official Journal of the European Union 1989
3. ENV 1994-1-1:1992 Eurocode 4: Design of composite steel and concrete structures – Part 1-1: General rules and rules for buildings CEN Brussels.
4. ENV 1994-1-2:1994 Eurocode 4: Design of composite steel and concrete structures – Part 1-2: General rules – Structural fire design CEN Brussels.